I own a diesel pickup, I always have a pair of leather gloves to fuel up with, so.....I pull up, put on my leather gloves, haul the slinky out of the back bumper, pull the black, wait, close the black, pull the two greys, wait, shut the valves, pull the slinky, into the bumper, climb into the truck and get out of the next guys way. Drag my five gallon pail back to potable water, fill it, dump it down the toilet and vacate.
Nobody around? I'll rinse till the black runs clean, hose down what needs hosing, all with leather gloves. It's not nuclear waste, and I don't get it all over me, sometimes though, it can be very entertaining being in line.